Short message (or messaging) service, a system that enables cellular phone users to send and receive text messages.

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3answers
142 views

Could a spoken (TTS) SMS-based 2FA be intercepted?

In mid-June, Lastpass made news again, and I've since been mowing around the idea of two-factor authentication. After familiarizing myself with SMS and Google Authenticator, I thought the SMS was a ...
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2answers
54 views

How to secure SMS functionlity in web application?

How to secure SMS sending feature in web applications? If an application is using third party SMS gateway then SMS also can be spoofed. Like attacker can change mobile number with firebug and abuse ...
1
vote
1answer
4 views

SMS (txt message): Apple has detected multiple failed login attempts

I have just got a sms message (txt message) on my phone saying: Apple has detected multiple failed login attempts Given I don't have (and have never had) a iPhone, I expect it is some sort of ...
1
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0answers
181 views

SS7 exploit on the wiretapping part

Wondering if there are info/source code/guide on the SS7 wiretapping part (SMS interception). I had a look on the track any mobile by a German researcher, and on PTsecurity about how the structure ...
1
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0answers
114 views

Can someone trace the source of a text msg without a phone number, only a four digit code instead?

I am receiving phishing texts from someone claiming to be from Chase Bank. There is no return phone number at the top, only a four digit number instead. The police tell me that this text (which ...
0
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0answers
19 views

Is “full loop” and “half loop” authentication the right word to describe this 2FA sequence?

I'm looking for a term to describe this abstract thought about multifactor devices and how they are implemented. In the examples below, there are different levels of device authentication, but the ...
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0answers
38 views

How to block texts from an app that creates new numbers?

My boss keeps texting me from random phone numbers through an app. I keep blocking new numbers, but I really need it to stop. It's been happening since February. I either want to know if I can prove ...